You just borrowed $200,000 to buy a house amortized over a period of 25 years. You signed a 5-year mortgage deal with your bank at a rate of 0.75% effective monthly rate. Your monthly payment comes out to $1,678.39. How much of your 20th payment will go towards payment of interest? a) $1,427.25 b) $1,470.28 c) $1,471.25 d) $1,472.79 e) $1,473.67